package Loop;

import java.util.*;

/**
 * Enjoy programming!!!
 * 时间： 2021/10/21 -  22:14
 */
public class If {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        System.out.print("请输入年份：");
        int year = in.nextInt();

        if ((year % 4 == 0 && year % 100 != 0) || year % 400 == 0) {
            System.out.println(year + "是闰年");
        } else {
            System.out.println(year + "不是闰年");
        }
    }
}
